M5Stack Scroll Unit with Hollow Shaft Encoder
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M5Stack Scroll Unit with Hollow Shaft Encoder
The M5Stack Scroll Unit with Hollow Shaft Encoder is a compact, versatile rotary encoder module designed to simplify control interfaces. It features a 12-pulse through-shaft rotary encoder, tactile push-button, and a WS2812C programmable RGB LED, all packed into a scroll wheel format.
Powered by a STM32F030 microcontroller, it comes with built-in encoder pulse acquisition firmware, enabling direct I2C readout—no complex coding required. Ideal for scenarios such as volume control, scale adjustment, or interactive UI navigation.
Product Features
- Based on the STM32F030 microcontroller
- AB phase output (12 pulses per revolution)
- Built-in button for intuitive press actions
- Multi-color WS2812C RGB LED indicator
- I2C communication interface
- Compatibility: M5Stack Core, Core2, CoreS3, etc.
Includes
- 1x Scroll Unit
- 1x HY2.0-4P Grove cable (20cm)
Applications
- Volume or brightness control
- Scale value adjustments
- Menu navigation or smart selector knobs
- Custom control panels for robotics or home automation
Specifications
| Specification | Parameter |
|---|---|
| MCU | STM32F030F4P6@32-bit ARM Cortex-M0 processor |
| Rotary Encoder | EC10E |
| Rotary Encoder Output | AB two-phase quadrature output |
| Rotary Encoder Pulses | 12 pulses/revolution |
| RGB LED | 1x WS2812C |
| Button | 1x Button |
| I2C Communication Address | 0x40 |
| Operating Temperature | 0-40°C |
| Product Size | 32*24*18.9mm |
| Package Size | 136*92*20mm |
| Product Weight | 7.3g |
| Package Weight | 12.7g |
Effective Date: March 27, 2025
At OpenELAB, we are committed to providing accurate product descriptions and delivering high-quality products. If you experience any issues with your purchase, please notify us within 60 days of the shipment date.
1. Warranty Disclaimer
Unless explicitly stated in a specific agreement or purchase order, OpenELAB makes no warranties—express or implied—regarding the fitness, suitability, or merchantability of any product for a particular purpose or special use.
2. Warranty Policy
Warranty Period
The standard warranty period for products sold by OpenELAB is 12 months from the date of delivery.
Under this warranty, OpenELAB will make a reasonable effort to repair or replace products free of charge if defects are due to issues with raw materials, design, or manufacturing.
If the defect qualifies under this policy but falls outside the covered scope, reasonable charges may apply for repair or replacement.
After the warranty period, support may still be available at a reasonable fee.
Warranty Exclusions
The warranty does not apply in the following cases:
- The product is beyond the 12-month warranty period.
- Damage due to misuse, improper maintenance or storage, or failure to follow the user guide or manual.
- Issues caused by Force Majeure events (e.g., natural disasters, war, legal changes, etc.).
- Unauthorized repair attempts by the customer.
- The product is not defective but has been opened and is non-returnable by policy.
3. Returns & Refunds
If you're not satisfied with your purchase, you may be eligible for a return or exchange:
- Return for Refund: Within 15 days of receipt (unopened).
- Return for Replacement: Within 30 days of receipt (damaged or defective).
- Exchange Window: Up to 30 days from receipt.
Please email us at info@openelab.io for a return authorization before sending anything back.
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